svn commit: r297166 - head/sys/dev/usb/wlan

[Andriy Voskoboinyk]

Author: avos
Date: Mon Mar 21 21:33:30 2016
New Revision: 297166
URL: https://svnweb.freebsd.org/changeset/base/297166

Log:
  rum: do not try to restore bssid/TSF synchronization when device
  is not associated.
  
  Tested with WUSB54GC, STA mode.
  
  Reviewed by:	adrian
  Differential Revision:	https://reviews.freebsd.org/D5543

Modified:
  head/sys/dev/usb/wlan/if_rum.c

Modified: head/sys/dev/usb/wlan/if_rum.c
==============================================================================
--- head/sys/dev/usb/wlan/if_rum.c	Mon Mar 21 21:02:57 2016	(r297165)
+++ head/sys/dev/usb/wlan/if_rum.c	Mon Mar 21 21:33:30 2016	(r297166)
@@ -2932,14 +2932,15 @@ rum_scan_end(struct ieee80211com *ic)
 {
 	struct rum_softc *sc = ic->ic_softc;
 
-	RUM_LOCK(sc);
-	if (ic->ic_opmode != IEEE80211_M_AHDEMO)
-		rum_enable_tsf_sync(sc);
-	else
-		rum_enable_tsf(sc);
-	rum_set_bssid(sc, sc->sc_bssid);
-	RUM_UNLOCK(sc);
-
+	if (ic->ic_flags_ext & IEEE80211_FEXT_BGSCAN) {
+		RUM_LOCK(sc);
+		if (ic->ic_opmode != IEEE80211_M_AHDEMO)
+			rum_enable_tsf_sync(sc);
+		else
+			rum_enable_tsf(sc);
+		rum_set_bssid(sc, sc->sc_bssid);
+		RUM_UNLOCK(sc);
+	}
 }
 
 static void